Replacement cleats for all Shimano® SPD clipless pedals, intended for performance off-road and pavement riding. The SM-SH51 SPD cleat releases with a lateral twist and is less likely to release with an upward stroke or pull. They feature 4 degrees of float for free movement and less joint stress. Casual riders may prefer SM-SH56 multi-release cleats which are easier to unclip. Details: Releases in lateral twist mode, with 4 degrees of float Stock replacement cleat for all Shimano SPD pedals Regularly replace cleats to maintain proper pedal function and foot stability Frequent riders should replace their cleats at least once per year With or without Cleat Nut Compatibility: Compatible with 2-bolt mountain bike, gravel, or fitness shoes